134 KXTOMOLOGICAL NEWS. [April, 'l<S 



Type. $ ; Swarthmore, Pennsylvania, April 10, 1910 (E. 

 T. Cresson, Jr. ; sweeping over grass), [A. N. S. P. No. 6176]. 



A female, Ithaca, New York, April 24 [Cornell] seems con- 

 specific with the above male and is similar in most respects, 

 but with the usual augmentation in the chaetotaxy ; also the 

 wings are more hyaline, tinged with yellow instead of brown; 

 apex of abdomen pale but not flattened; second antennal joint 

 pale at apex. 



Cordilura vierecki new species. , 



9. Black; frontalia, second antennal joint above, halteres, fore 

 femora apically, fore tibiae and tarsi, hind legs including tarsi, tawny; 

 face, cheeks, palpi, squamae, whitish yellow. Wings yellowish with 

 pale veins. Pile of ventral surfaces pale. Opaque, yellowish pruinose. 

 Frons .3 width of head; orbits parallel; bristles very long. Face 

 in profile retreating. Oral margin with long bristles. Occiput strongly 

 swollen below. Third antennal joint distinctly angular at apex; arista 

 plumose to apex. Mesonotal bristles very long, also the four on 

 scutellum. Fore femora, with distinct bristles in post, extensor and 

 ant. extensor series ; three or more long ones in ant. flexor series of 

 hind femora ; middle and hind tibiae with three long bristles in each 

 ant. and post, extensor series. Penultimate section of fourth vein .8 

 as long as ultimate. Apical segments of abdomen laterally compressed. 

 Length 8 mm. 



Type. 9 ; Beulah, New Mexico, June 28, 1902 (on top of 

 range; H. L. Viereck), [A. N. S. No. 6177]. Paratypes 

 2. 9 ; topotypical. 



I have also 3 females from Top of Las Vegas Range, 

 New Mexico, June 28, 1902, which are probably part of the 

 typical series. 



Apparently closely allied to confnsa Lw., but very different 

 in color pattern. 



Cordilura amans new species. 



Entirely yellow except ocellar spot, bristles and the bare, or micro- 

 plumose, arista, black. Wings yellowish, with pale veins. All bristles 

 strong with apical scutellar bristles nearly as strong as the lateral ones. 

 Third antennal joint twice as long as second, with distinct apical angle. 

 Hind tibiae with 2 post, extensors. Penult, section of vein 4 about .5 

 as long as ult. Length 5 mm. 



Type. $ ; Redwood Canyon, Marin County, California, 

 May 17, 1908 (E. T. Cresson, Jr.), [A. N. S. No. 6178]. 



